org.apache.hadoop.hive.metastore

Class ObjectStore.GetHelper<T>

java.lang.Object

org.apache.hadoop.hive.metastore.ObjectStore.GetHelper<T>

Direct Known Subclasses:

ObjectStore.GetDbHelper

Enclosing class:

ObjectStore

public abstract class ObjectStore.GetHelper<T>
extends Object

Helper class for getting stuff w/transaction, direct SQL, perf logging, etc.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	catName
protected String	dbName
protected T	results
protected String	tblName

Constructor Summary

Constructors

Constructor and Description
GetHelper(String catalogName, String dbName, String tblName, boolean allowSql, boolean allowJdo)

Method Summary

Modifier and Type	Method and Description
protected boolean	canUseDirectSql(ObjectStore.GetHelper<T> ctx)
protected abstract String	describeResult()
protected abstract T	getJdoResult(ObjectStore.GetHelper<T> ctx)
protected abstract T	getSqlResult(ObjectStore.GetHelper<T> ctx)
org.apache.hadoop.hive.metastore.api.Table	getTable()
T	run(boolean initTable)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

catName

protected final String catName

dbName

protected final String dbName

tblName

protected final String tblName

results

protected T results

Constructor Detail

GetHelper

public GetHelper(String catalogName,
                 String dbName,
                 String tblName,
                 boolean allowSql,
                 boolean allowJdo)
          throws org.apache.hadoop.hive.metastore.api.MetaException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

Method Detail

canUseDirectSql

protected boolean canUseDirectSql(ObjectStore.GetHelper<T> ctx)
                           throws org.apache.hadoop.hive.metastore.api.MetaException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

describeResult

protected abstract String describeResult()

getSqlResult

protected abstract T getSqlResult(ObjectStore.GetHelper<T> ctx)
                           throws org.apache.hadoop.hive.metastore.api.MetaException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

getJdoResult

protected abstract T getJdoResult(ObjectStore.GetHelper<T> ctx)
                           throws org.apache.hadoop.hive.metastore.api.MetaException,
                                  org.apache.hadoop.hive.metastore.api.NoSuchObjectException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

org.apache.hadoop.hive.metastore.api.NoSuchObjectException

run

public T run(boolean initTable)
      throws org.apache.hadoop.hive.metastore.api.MetaException,
             org.apache.hadoop.hive.metastore.api.NoSuchObjectException

Throws:

org.apache.hadoop.hive.metastore.api.MetaException

org.apache.hadoop.hive.metastore.api.NoSuchObjectException

getTable

public org.apache.hadoop.hive.metastore.api.Table getTable()